Original language | English |
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Qualification | Doctor of Philosophy |
Award date | 24-Jun-1920 |
Place of Publication | Groningen |
Publisher | |
Publication status | Published - 1920 |
Determination and discussion of the spectral classes of 700 stars mostly near the north pole
Gerrit Hendrik ten Bruggen Cate
Research output: Thesis › Thesis fully internal (DIV)
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